1 package ch.qos.logback.classic.util; 2 3 public class TeztHelper { 4 5 6 static public Throwable makeNestedException(int level) { 7 if (level == 0) { 8 return new Exception("nesting level=" + level); 9 } 10 Throwable cause = makeNestedException(level - 1); 11 return new Exception("nesting level =" + level, cause); 12 } 13 }